Bao zheng(包拯)was known as Bao Gong(包公), who was born in April 999 A.D. in present- day Feidong County near Hefei City, was a senior official of the Northern Song Dynasty (960-1127). Bao Zheng, eulogized in Chinese literary works in many forms through the ages, has always been portrayed with a black face and a crescent-shaped scar on his forehead. His name became synonymous with justice, with the clear blue sky (qing tian; 青天) became a popular metaphor to justice in the Chinese-speaking world.